In the first test chamber that involves Emancipation Grids, GLaDOS can't help but notice that the turbines are acting up. She decides to give you an explanation of the Emancipation Grids before she fixes them in a 'Fast Manner'.

But did you know that this fast gibberish is actually part of a quote from Moby Dick? Here's what you hear if you slow it down:

"...And methodically knocking people's hats off. Then I account it high time to get to sea as soon as I can."